RT Book, Section A1 Tanagho, Emil A. A1 Nguyen, Hiep T. A1 DiSandro, Michael A2 McAninch, Jack W. A2 Lue, Tom F. SR Print(0) ID 1171177727 T1 Embryology of the Genitourinary System T2 Smith & Tanagho's General Urology, 19e YR 2020 FD 2020 PB McGraw Hill PP New York, NY SN 9781259834332 LK accesssurgery.mhmedical.com/content.aspx?aid=1171177727 RD 2024/04/25 AB At birth, the genital and urinary systems are related only in the sense that they share certain common passages. Embryologically, however, they are intimately related. Because of the complex interrelationships of the embryonic phases of the two systems, they are discussed here as five subdivisions: the nephric system, the vesicourethral unit, the gonads, the genital duct system, and the external genitalia.